Journal
MATERIALS LETTERS
Volume 212, Issue -, Pages 346-349Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.10.130
Keywords
Selective laser melting; Ti-based alloy; Bulk metallic glasses; Biomedical applications; Mechanical properties
Funding
- Chinese Scholarship Council (CSC)
- DFG [PA 2275/2-1, PA 2275/4-1, KU1974/11-1]
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The Ti-based bulk metallic glass Ti47Cu38Zr7.5Fe2.5Sn2Si1Ag2 was fabricated by selective laser melting (SLM). The crystalline phases in the gas-atomized powder disappear after additive manufacturing and the SLM parts are fully glassy. All SLM samples reach a high relative density above 98.5% and a high compressive strength around 1700 MPa despite failing prematurely in comparison with as-cast rods. Our work identifies a Ti-based glass-forming alloy suitable for laser-based additive manufacturing and opens up new vistas for overcoming the intrinsic limitations of Ti-based BMGs in terms of size and geometry and for making them accessible to (biomedical) applications. (C) 2017 Elsevier B.V. All rights reserved.
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